question from Master Exam 3

[Huachaitou Peek]

This is true or false question from Master Exam 3, Has-a relationships always rely on instance variables. The answer is true.
I think I have read from somewhere and the answer is false because static variable can be counted. Does anybody knows what the correct answer is ? Thanks.

[Mohamed Sanaulla]

Huachaitou Peek wrote:This is true or false question from Master Exam 3, Has-a relationships always rely on instance variables. The answer is true.
I think I have read from somewhere and the answer is false because static variable can be counted. Does anybody knows what the correct answer is ? Thanks.

So you have something called- HAS-A and IS-A relationship. Let me explain HAS-A:

class Person{
   Address myAddress;
}
class Address{
   String houseNo;
   String street;
   String city;
   String country;
}

So in the above code sample- Person HAS-A Address- This relationship is due to the fact that Person has an instance variable of type Address. So its true that HAS-A relies on Instance variables.

Note: This should have been asked on forum before as well.